﻿#region Copyright (c) 2006-2012 nHydrate.org, All Rights Reserved
// --------------------------------------------------------------------- *
//                           NHYDRATE.ORG                                *
//              Copyright (c) 2006-2012 All Rights reserved              *
//                                                                       *
//                                                                       *
// This file and its contents are protected by United States and         *
// International copyright laws.  Unauthorized reproduction and/or       *
// distribution of all or any portion of the code contained herein       *
// is strictly prohibited and will result in severe civil and criminal   *
// penalties.  Any violations of this copyright will be prosecuted       *
// to the fullest extent possible under law.                             *
//                                                                       *
// THE SOURCE CODE CONTAINED HEREIN AND IN RELATED FILES IS PROVIDED     *
// TO THE REGISTERED DEVELOPER FOR THE PURPOSES OF EDUCATION AND         *
// TROUBLESHOOTING. UNDER NO CIRCUMSTANCES MAY ANY PORTION OF THE SOURCE *
// CODE BE DISTRIBUTED, DISCLOSED OR OTHERWISE MADE AVAILABLE TO ANY     *
// THIRD PARTY WITHOUT THE EXPRESS WRITTEN CONSENT OF THE NHYDRATE GROUP *
//                                                                       *
// UNDER NO CIRCUMSTANCES MAY THE SOURCE CODE BE USED IN WHOLE OR IN     *
// PART, AS THE BASIS FOR CREATING A PRODUCT THAT PROVIDES THE SAME, OR  *
// SUBSTANTIALLY THE SAME, FUNCTIONALITY AS THIS PRODUCT                 *
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// THE REGISTERED DEVELOPER ACKNOWLEDGES THAT THIS SOURCE CODE           *
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// INSURE ITS CONFIDENTIALITY.                                           *
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// THE END USER LICENSE AGREEMENT (EULA) ACCOMPANYING THE PRODUCT        *
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// THE PRODUCT.  IT DOES NOT PROVIDE ANY RIGHTS REGARDING THE            *
// SOURCE CODE CONTAINED HEREIN.                                         *
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// THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE.              *
// --------------------------------------------------------------------- *
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace nHydrate.Generator.Common.Util
{
	/// <summary>
	/// This is a thread-safe hashtable class
	/// </summary>
	/// <typeparam name="K">The object type of the key</typeparam>
	/// <typeparam name="T">The object type of the value</typeparam>
	public class HashTable<K, T>
	{
		protected Hashtable _h = new Hashtable();

		public HashTable()
		{
		}

		public virtual void Add(K key, T value)
		{
			lock (_h)
			{
				_h[key] = value;
			}
		}

		public virtual void Clear()
		{
			lock (_h)
			{
				_h.Clear();
			}
		}

		public virtual T this[K key]
		{
			get
			{
				lock (_h)
				{
					return (T)_h[key];
				}
			}
			set
			{
				lock (_h)
				{
					_h[key] = value;
				}
			}
		}

		public virtual bool ContainsKey(K key)
		{
			lock (_h)
			{
				return _h.ContainsKey(key);
			}
		}

		public int Count
		{
			get
			{
				lock (_h)
				{
					return _h.Keys.Count;
				}
			}
		}

		public virtual bool ContainsValue(T value)
		{
			lock (_h)
			{
				return _h.ContainsValue(value);
			}
		}

		public virtual ICollection<K> Keys
		{
			get
			{
				lock (_h)
				{
					return new List<K>(_h.Keys.Cast<K>());
				}
			}
		}

		public virtual void Remove(K key)
		{
			lock (_h)
			{
				_h.Remove(key);
			}
		}

		ICollection<T> Values
		{
			get
			{
				lock (_h)
				{
					return new List<T>(_h.Values.Cast<T>());
				}
			}
		}

	}
}
